Home / 14,382.39-21,575.70-4,518.39

Finding the Fourth Proportional to 14,382.39, 21,575.70 and 4,518.39

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Solution

The fourth proportional to 14,382.39, 21,575.70 and 4,518.39 is: 6,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.39 : 21,575.70 = 4,518.39 : x
  2. Step 2: Convert to fraction form
    14,382.39/21,575.70 = 4,518.39/x
  3. Step 3: Cross multiply
    14,382.39x = 21,575.70 × 4,518.39
  4. Step 4: Simplify right side
    14,382.39x = 97,487,427.12
  5. Step 5: Solve for x
    x = 97,487,427.12/14,382.39
  6. Step 6: Final answer
    x = 6,778.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.